Kaman Product Catalog 1050

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GR Series Dimensions Styles: DFHMQ, DFHM, DFH

Single Reduction Worm Gear Reducers

STYLE DFHMQ, DFHM, DFH DIMENSIONS (Inches)

T MAX•

Input Key i

Output

Size

A AE BC BH C CD CE C1 D1 D2 FC t

H I

M N R V W X

-0.000 +0.000

Key

+0.0025 -0.0015 GR813 2.82 0.53 5.32 7.16 5.99 1.33 1.33 4.66 1.72 1.72 N/A .34 2.61 3.82 1.76 2.38 2.52 0.38 5.92 5.00 4.50 0.625 .500 1/8 x 1.00 3/16 x 1.50 GR815 3.44 0.51 5.85 7.69 6.38 1.54 1.33 4.66 1.72 1.91 N/A .34 3.14 3.82 1.76 2.71 2.87 0.38 5.88 5.00 4.50 0.625 .500 1/8 x 1.00 3/16 x 1.50 GR818 3.56 0.49 5.94 7.79 6.75 1.75 1.33 4.66 1.72 2.06 N/A .34 3.24 3.82 1.76 2.75 3.18 0.38 6.64 5.88 5.00 1.000 .500 1/8 x 1.00 1/4 x 3.00 GR821 3.81 0.61 6.32 8.16 7.28 2.06 1.33 4.66 1.72 2.28 N/A .41 3.61 3.82 1.76 3.00 3.69 0.44 7.88 7.00 5.99 1.500 .500 1/8 x 1.00 3/8 x 3.00 GR824 4.06 0.51 6.44 8.29 7.81 2.38 1.33 4.66 1.72 2.50 N/A .41 3.77 3.82 1.76 3.00 3.73 0.44 8.39 7.50 6.27 1.500 .500 1/8 x 1.00 3/8 x 3.00 GR826 4.84 0.60 7.01 8.85 8.50 2.63 1.33 4.66 1.72 2.94 N/A .41 4.34 3.82 1.76 3.50 3.70 0.50 8.88 8.00 6.67 1.500 .500 1/8 x 1.00 3/8 x 3.00 GR830 5.25 0.60 7.86 10.06 9.94 3.00 1.75 5.38 2.06 3.25 N/A .41 4.84 4.35 1.76 3.75 3.78 0.50 9.89 9.00 7.37 2.188 .625 3/16 x 1.38 1/2 x 3.00 GR832 5.75 0.54 8.05 10.25 10.44 3.25 1.75 5.38 2.06 3.50 N/A .41 5.02 4.35 1.76 3.94 4.03 0.50 9.89 9.00 7.37 2.188 .625 3/16 x 1.38 1/2 x 3.00 GR842 6.13 0.63 9.18 11.57 12.78 4.25 2.06 6.38 2.28 4.44 N/A .56 6.10 4.82 1.76 4.25 4.56 0.62 12.95 11.50 9.65 2.188 .625 3/16 x 1.38 1/2 x 3.00 GR852 7.19 0.97 11.57 14.47 15.43 5.25 2.63 8.00 2.94 5.12 N/A .69 7.50 6.07 2.38 5.25 5.62 0.75 15.50 14.00 11.75 3.438 .750 3/16 x 1.63 7/8 x 3.44 GR860 8.13 0.52 13.30 16.70 18.38 6.00 3.25 9.38 3.50 6.50 10.24 .69 N/A 6.76 2.38 5.75 7.26 0.75 18.00 15.63 14.00 3.438 .875 3/16 x 1.63 7/8 x 3.44 GR870 7.63 1.09 12.96 16.90 20.46 7.00 3.25 9.38 3.50 7.59 10.63 .78 N/A 6.76 2.38 6.75 7.45 0.75 21.00 18.38 15.63 3.938 .875 3/16 x 1.75** 1 x 1/2** GR880 8.63 1.03 13.94 18.19 23.79 8.00 4.25 11.38 4.44 8.86 11.93 1.03 N/A 9.57 3.47 7.25 8.34 0.75 24.00 21.00 17.88 4.438 1.250 1/4 X 2.88** 1 x 1/2** GR8100 9.53 1.39 17.05 22.30 29.24 10.00 5.25 14.00 5.12 10.36 14.34 1.03 N/A 10.88 3.38 9.25 9.07 1.00 29.00 25.00 21.19 5.438 1.250 1/4 X 3.00** 1-1/4 x 5/8**

Worm - Worm Gear Reducers

Double Reduction

See feature comparison chart.

Helical - Worm Gear Reducers

FEATURE COMPARISON (821, 826, 832)

Output

Mounting Footprint Needed?

Grove Gear

LEESON Replace With IRONMAN Series Code

All Other Features

Double Reduction

Shaft Diameter

Flexaline

Size

Needed?

Interchange Interchange

Below:

GRG GRL

821

Identical

Identical◊

◊ If Accessory kit is removed, dimensions will vary.

NOTE: If reducer is used without the accessory mounted, select based mounting dimensions on pages 132-133 (DMQ, DM, D).

Motor Mounting Dimensions NEMA DIMENSIONS (Inches) LM L1 LQ

NEMA DIMENSIONS (Inches)

LQ1

Frame AJ AK BD BE BE1 Bore Keyway u

BF b

Size

48CZ 56C/

180TC/ 250TC 48CZ/

180TC 210TC 250TC 48CZ/

180TC 210TC 250TC

Dia.

140TC 210TC

56C/140TC

48CZ 3.75 3.00 4.36 0.38 N/A 0.500 1/8 X 1/16 0.28 5.88 4.50 6.50 0.38 N/A 0.625 3/16 X 3/32 0.41 140TC 5.88 4.50 6.50 0.38 N/A 0.875 3/16 X 3/32 0.41 180TC 7.25 8.50 9.00 N/A 0.50 1.125 1/4 X 1/8 0.53 210TC 7.25 8.50 9.00 N/A 0.50 1.375 5/16 X 5/32 0.53 250TC 7.25 8.50 9.00 N/A 0.50 1.625 3/8 X 3/16 0.53 56C

GR813 GR815 GR818 5.63 6.07 N/A N/A 3.46 N/A N/A N/A 3.09 5.63 6.07 N/A N/A 3.46 N/A N/A N/A 3.09 5.63 6.07 N/A N/A 3.46 N/A N/A N/A 3.09 GR821 6 5.63 6.07 N/A N/A 3.46 N/A N/A N/A 3.09 5.63 6.07 N/A N/A 3.46 N/A N/A N/A 3.09 5.63 6.07 N/A N/A 3.46 N/A N/A N/A 3.09 6.26 6.70 N/A N/A 4.09 N/A N/A N/A 3.59 6.26 6.70 N/A N/A 4.09 N/A N/A N/A 3.59 6.63 7.07 N/A N/A 4.46 N/A N/A N/A 4.06

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.13 N/A N/A 5.81 6.25 N/A 5.81 6.25 N/A 6.68 6.68 7.24 7.98 7.98 8.54

WASHGUARD ® Reducers and GEAR+MOTOR™ Ratio Multipliers

GR824 GR826 GR830 GR832 GR842 GR852 GR860 GR870 GR880 GR8100

5.62 N/A N/A 4.82 n 6.34 6.75 N/A 5.51 n 6.34 6.75 N/A 5.51 n 7.21 7.21 7.77 6.04 n 8.61 8.61 9.17 7.35 n

N/A 8.32 9.32 N/A 5.19 n N/A 9.01 10.01 N/A 6.14 n N/A 9.01 10.01 N/A 6.14 n N/A 11.81 12.90 13.46 6.45 n N/A 13.21 14.30 14.86 7.85 n

IEC B5 & B3/B5 METRIC DIMENSIONS (Inches) v

IEC B5 & B3/B5 METRIC DIMENSIONS (MM)

LQ1

Frame

AJ AK BD BE Bore Keyway u

BF TAP OD

Size D63D D71D D80D D90D D100LD/

Dia.

D132D D63D D71D D80D D90D D100LD/ D132D

D112MD

D63D D71D D80D D90D

115 95 117 10 11 4 X 2 M8 X 1.25 131 130 110 132 11 14 5 X 2.5 M8 X 1.25 146 165 130 165 15 19 6 X 3 M10 X 1.50 184 165 130 165 15 24 8 X 3.5 M10 X 1.50 184

GR813 2.62 2.65 2.89 N/A N/A N/A 2.45 2.47 2.71 N/A N/A N/A GR815 2.62 2.65 2.89 N/A N/A N/A 2.45 2.47 2.71 N/A N/A N/A GR818 2.62 2.65 2.89 N/A N/A N/A 2.45 2.47 2.71 N/A N/A N/A GR821 6 2.62 2.65 2.89 N/A N/A N/A 2.45 2.47 2.71 N/A N/A N/A GR824 2.62 2.65 2.89 N/A N/A N/A 2.45 2.47 2.71 N/A N/A N/A GR826 2.62 2.65 2.89 N/A N/A N/A 2.45 2.47 2.71 N/A N/A N/A GR830 3.25 3.28 3.52 N/A N/A N/A 2.95 2.97 3.21 N/A N/A N/A GR832 3.25 3.28 3.52 N/A N/A N/A 2.95 2.97 3.21 N/A N/A N/A GR842 3.62 3.65 3.89 N/A N/A N/A 3.43 3.44 3.68 N/A N/A N/A GR852 N/A 4.28 4.90 4.90 5.30 N/A N/A 4.09 4.72 4.72 5.07 N/A GR860 N/A 4.97 5.59 5.59 6.07 N/A N/A 4.78 5.41 5.41 5.76 N/A GR870 N/A 4.97 5.59 5.59 6.07 N/A N/A 4.78 5.41 5.41 5.76 N/A GR880 N/A N/A N/A 6.38 6.39 7.17 N/A N/A N/A 6.16 6.14 6.93 GR8100 N/A N/A N/A 7.78 7.78 8.57 N/A N/A N/A 7.46 7.45 8.24

D100LD/ D112MD

215 180 216 18 28 8 X 3.5 M12 X 1.75 237

D132D

265 230 267 18 38 10 X 4 M12 X 1.75 290

Additional Capabilities

Accessories and

• Max bore dimensions shown. For additional bores available, refer to page 140. ** Key not provided with gear reducer. Keyway dimension shown. u Keyway width by depth n 48CZ not available i Style DFH and DFHM only.

v Metric IEC B5 input flange options are available only on quill input styles. 6 Dimensions same for GRG and GRL Series t Sizes 860-8100 have extended cap. Dimensions refer to cap location.

For safety, purchaser or user should provide protective guards over shaft extensions and any couplings, sheaves and belts, sprockets and chains, etc., mounted thereon.

WARNING

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